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Finding the Fourth Proportional to 28,663.97, 42,945.03 and 24,461.33

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Solution

The fourth proportional to 28,663.97, 42,945.03 and 24,461.33 is: 36,648.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.97 : 42,945.03 = 24,461.33 : x
  2. Step 2: Convert to fraction form
    28,663.97/42,945.03 = 24,461.33/x
  3. Step 3: Cross multiply
    28,663.97x = 42,945.03 × 24,461.33
  4. Step 4: Simplify right side
    28,663.97x = 1,050,492,274.81
  5. Step 5: Solve for x
    x = 1,050,492,274.81/28,663.97
  6. Step 6: Final answer
    x = 36,648.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.